03098c88bb
This is a copy/paste from the code that now lives in apply-routes.lua, but there is no point since the route here is a real route param and not a route_info structure.
117 lines
3.0 KiB
Lua
Executable File
117 lines
3.0 KiB
Lua
Executable File
#!/usr/bin/wpexec
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--
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-- WirePlumber
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--
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-- Copyright © 2022 Collabora Ltd.
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-- @author Frédéric Danis <frederic.danis@collabora.com>
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--
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-- SPDX-License-Identifier: MIT
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--
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-- This is an example of the offload SCO nodes platform specific management,
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-- in this case for the PinePhone.
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--
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-- The PinePhone provides specific ALSA ports to route audio to the Bluetooth
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-- chipset. This script selects these ports when the offload SCO nodes state
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-- change to 'running'.
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--
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-- This scriptcan be executed as a standalone executable, or it can be placed
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-- in WirePlumber's scripts directory and loaded together with other scripts.
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-----------------------------------------------------------------------------
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devices_om = ObjectManager {
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Interest {
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type = "device",
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}
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}
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nodes_om = ObjectManager {
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Interest {
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type = "node",
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Constraint { "node.name", "#", "*.bluez_*put*"},
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Constraint { "device.id", "+" },
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}
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}
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function parseParam(param, id)
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local route = param:parse()
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if route.pod_type == "Object" and route.object_id == id then
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return route.properties
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else
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return nil
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end
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end
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function setPlatformRoute (route_name, direction)
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local platform_sound = nil
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local device_id = nil
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local route_save = nil
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local interest = Interest {
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type = "device",
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Constraint { "device.name", "=", "alsa_card.platform-sound"}
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}
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for d in devices_om:iterate (interest) do
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platform_sound = d
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for p in platform_sound:iterate_params("Route") do
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route = parseParam(p, "Route")
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if route.direction == direction then
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device_id = route.device
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route_save = route.save
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end
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end
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for p in platform_sound:iterate_params("EnumRoute") do
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enum_route = parseParam(p, "EnumRoute")
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if enum_route.name == route_name then
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route_index = enum_route.index
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end
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end
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end
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if route.index == route_index then
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return
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end
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-- default props
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local props = {
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"Spa:Pod:Object:Param:Props", "Route",
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mute = false,
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}
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-- construct Route param
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local param = Pod.Object {
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"Spa:Pod:Object:Param:Route", "Route",
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index = route_index,
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device = device_id,
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props = Pod.Object(props),
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save = route_save,
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}
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Log.info(param, "setting route on " .. tostring(platform_sound))
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platform_sound:set_param("Route", param)
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end
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nodes_om:connect("object-added", function(_, node)
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node:connect("state-changed", function(node, old_state, cur_state)
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local interest = Interest {
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type = "device",
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Constraint { "object.id", "=", node.properties["device.id"]}
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}
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for d in devices_om:iterate (interest) do
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if cur_state == "running" then
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-- Both direction should be set to allow audio streaming
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setPlatformRoute("[Out] BluetoothHeadset", "Output")
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setPlatformRoute("[In] BluetoothHeadset", "Input")
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else
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setPlatformRoute("[Out] Earpiece", "Output")
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setPlatformRoute("[In] DigitalMic", "Input")
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end
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end
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end)
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end)
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nodes_om:activate()
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devices_om:activate()
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